my_pizzas = ['芒果榴莲披萨', '皇家海鲜披萨', '奥尔良烤肉披萨', '至尊披萨', '水果披萨']
friend_pizzas = my_pizzas[:]
my_pizzas.append("麻辣小龙虾披萨")
friend_pizzas.append("香蕉火龙果披萨")

print("My favourite pizzas are:")
for my_pizza in my_pizzas:
    print(my_pizza)
print("My friend's favourite pizzas are:")
for friend_pizza in friend_pizzas:
    print(friend_pizza)